- flashgen: new bigendian target

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git-svn-id: http://moon:8086/svn/vhdl/trunk@285 cc03376c-175c-47c8-b038-4cd826a8556b

lib/CPUs/MIPS/tools/src/flashgen.c

@@ -17,6 +17,36 @@
 #define SDRAM_BASE			0x40000000
 #define	FLASH_OFFSET		0x00000000
 
+UINT32 conv_endian32(UINT32 src)
+{
+	UINT32 dst;
+
+	dst = (0xFF000000 & (src << 24))
+		| (0x00FF0000 & (src << 8))
+		| (0x0000FF00 & (src >> 8))
+		| (0x000000FF & (src >> 24));
+
+	return dst;
+};
+
+UINT32 to_big_endian32(UINT32 src)
+{
+#ifndef NATIVE_IS_BIG_ENDIAN
+	return conv_endian32(src);
+#else
+	return src;
+#endif
+}
+
+UINT32 from_big_endian32(UINT32 src)
+{
+#ifndef NATIVE_IS_BIG_ENDIAN
+	return conv_endian32(src);
+#else
+	return src;
+#endif
+}
+
 // --------------------------------------------------------------
 typedef struct _sflash_img_hdr_t
 {
@@ -102,11 +132,17 @@ int main(int argc, char *argv[])
 	img_hdr.magic[1] = 'F';
 	img_hdr.magic[2] = 'I';
 	img_hdr.magic[3] = '1';
+#ifdef TARGET_IS_BIG_ENDIAN
+	img_hdr.target_addr = to_big_endian32(SDRAM_BASE);
+	img_hdr.img_size = to_big_endian32(filesize);
+	img_hdr.img_offset = to_big_endian32(FLASH_OFFSET + sizeof(flash_img_hdr_t));
+	img_hdr.hdr_next = to_big_endian32(FLASH_OFFSET);
+#else
 	img_hdr.target_addr = SDRAM_BASE;
 	img_hdr.img_size = filesize;
 	img_hdr.img_offset = FLASH_OFFSET + sizeof(flash_img_hdr_t);
 	img_hdr.hdr_next = FLASH_OFFSET;
-
+#endif
 	fwrite(&img_hdr, sizeof(flash_img_hdr_t), 1, pFile);
 	fwrite(pBuf, 1, filesize, pFile);